DMA_BGALN
else if (flags & DMA_BGALN)
rbp->cs_buf = (caddr_t)ch_alloc_dma_mem(sa, 1, DMA_STREAM|DMA_BGALN,
rbp->cs_buf = (caddr_t)ch_alloc_dma_mem(sa, 0, DMA_STREAM|DMA_BGALN,